Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

9.3 vocab

TermDefinition
mantle a thin layer of tissue that secrets the shell.
foot The muscular locomotory structure of molluscs
radula a ribbon of small teeth that I used to feed, usually by rasping food from surfaces.
chitin a highly resistant carbohydrate also found in other invertebrates
valves Any of the two shells of bivalves and lamp shells.
umbo the upper hump near the edge of the shell.
siphon The tube-like extension through which water flows in and out of the mantle cavity in bivalves and cephalopods, and in tunicates.
byssal thread a strong muscle that attaches itself to rocks and other surfaces
biofouling the rasping valves lie at the inner end of a tunnel lined with calcium carbonate, and a tiny siphon protrudes from the entrance at the other end. shipworms are an example.
ink sac A gland found in some cephalopods that secretes a dark fluid used to discourage predators.
pen The reduced, thin shell of squids.
crystalline style An enzyme-releasing rod in the stomach.
open circulatory system A system where the blood or circulatory fluid is not contained in vessels and can flow into the body cavity.
ganglion clusters of nerve cells located in different parts of the body.
spermatophore elongated packets of sperm.
veliger a planktonic larva that is a tiny shell
Created by: user-1988323
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards